Canada

One: Using a card means all transactions are tied to my financial history. For better or worse, I don't want all my personal habits in a ledger somewhere.

Two: Fees. Merchants have to pay fees on credit transactions.

Three: Consolidating financial institutions between a handful of company's. (Visa, MasterCard, Amex, etc)

Four: Complexity. At least one side of the transaction must setup a system to interact with banks or credit cards. Cash is as simple as counting and handing it over.

Five: Budgets. It's been shown that people spend less when they use cash. When someone can see the money actually leave and what they have dwindles they are more responsible with their spending.

Six: Tax evasion. Sometimes, if the waiter/waitress is struggling tipping in cash means it's easier for them not to report that income.

Seven: It makes it much harder to make financial transactions that aren't "approved." Whether or not you like it, some people want to be able to buy drugs or something else that isn't legal. Or even worse, the whims of whatever payment processor they use. A private company shouldn't get to say who can be a merchant and what they are allowed to sell.

Eight: Gifts. Cash is just a simple, nice gift that Zelle or Venmo can't replace.

Nine: No chance of overdrafting and getting hit with bullshit fees.